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bundles / numpy 2.4.4 / numpy / ma / core / MaskedArray / compressed

function

numpy.ma.core:MaskedArray.compressed

source: /numpy/ma/core.py:3937

Signature

def compressed(self)

Summary

Return all the non-masked data as a 1-D array.

Returns

data : ndarray

A new ndarray holding the non-masked data is returned.

Notes

The result is not a MaskedArray!

Examples

import numpy as np
x = np.ma.array(np.arange(5), mask=[0]*2 + [1]*3)
x.compressed()
type(x.compressed())
N-D arrays are compressed to 1-D. 
arr = [[1, 2], [3, 4]]
mask = [[1, 0], [0, 1]]
x = np.ma.array(arr, mask=mask)
x.compressed()

Aliases

  • numpy.ma.MaskedArray.compressed